/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import { HTMLSelect } from '@blueprintjs/core';
import type { ExpressionMeta } from '@druid-toolkit/visuals-core';
import React from 'react';

export interface ColumnPickerProps {
  availableColumns: ExpressionMeta[] | undefined;
  selectedColumnName: string;
  onSelectedColumnNameChange(selectedColumnName: string): void;
}

export const ColumnPicker = React.memo(function ColumnPicker(props: ColumnPickerProps) {
  const { availableColumns, selectedColumnName, onSelectedColumnNameChange } = props;

  return (
    <HTMLSelect
      className="column-picker"
      value={selectedColumnName}
      onChange={e => {
        onSelectedColumnNameChange(e.target.value);
      }}
    >
      {availableColumns?.map((column, i) => (
        <option key={i} value={column.name}>
          {column.name}
        </option>
      )) || <option value="loading">Loading...</option>}
    </HTMLSelect>
  );
});
